Home / 88,133.83-132,187.05-28,969.09

Finding the Fourth Proportional to 88,133.83, 132,187.05 and 28,969.09

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Solution

The fourth proportional to 88,133.83, 132,187.05 and 28,969.09 is: 43,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,133.83 : 132,187.05 = 28,969.09 : x
  2. Step 2: Convert to fraction form
    88,133.83/132,187.05 = 28,969.09/x
  3. Step 3: Cross multiply
    88,133.83x = 132,187.05 × 28,969.09
  4. Step 4: Simplify right side
    88,133.83x = 3,829,338,217.82
  5. Step 5: Solve for x
    x = 3,829,338,217.82/88,133.83
  6. Step 6: Final answer
    x = 43,449.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.